GALPINE, J F, BRADY, C · Lancet (London, England) · 1957 · DOI
This 1957 case-control study by Galpine and Brady documented cases of myalgic encephalomyelitis and compared them with control groups to understand the condition's features. The researchers aimed to establish that ME was a distinct medical condition with identifiable characteristics, rather than a purely psychological disorder. This early study helped establish the medical legitimacy of what patients and some doctors were observing as a real illness.
This is one of the earliest systematic medical descriptions of ME/CFS in peer-reviewed literature, helping establish the condition as a legitimate medical diagnosis rather than a psychological complaint. For patients, it represents early medical recognition of their illness. For researchers, it provides historical context for how the condition was initially characterized and demonstrates the long history of medical documentation of ME/CFS.
This study does not establish the cause of ME/CFS or prove any specific pathophysiological mechanism. It cannot determine whether observed differences between ME patients and controls reflect causative factors versus secondary effects of illness. The case-control design means findings represent associations rather than causal relationships, and lack of modern diagnostic criteria limits applicability to contemporary ME/CFS definitions.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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